<?php
	$sql="UPDATE tbl_product SET
	`focus`=1-`focus` 				 
	WHERE id='$_POST[guid]'";
	$res=mysql_query($sql);			
	if(!$res)
	{
		echo "<script>history.go(-1)</script>";
	}
	else 
	{
		echo "<script>window.location='?zone=product'</script>";
	}
?>

